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SSIIIA
Oryza sativa subsp. japonica · Soluble starch synthase 3a, chloroplastic/amyloplastic (EC 2.4.1.21)
GT5Model organism · annotation ≥ 4Fold GT-BRetaining
External resources
Identification and annotation
| CAZy family | GT5 · CAZy entry |
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| Gene symbol | SSIIIA |
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| Synonyms / alternate names | - FLO5
- SS3A
- SSIII-2
- Protein FLOURY ENDOSPERM 5
- Soluble starch synthase IIIa
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| UniProt accession | A0A0P0XCU3 |
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| NCBI Gene ID | 9268758 |
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| Source species | Oryza sativa subsp. japonica |
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| Taxonomic domain | Eukaryota |
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| UniProt annotation level | 5 |
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Function and localisation
| Enzyme function | Soluble starch synthase 3a, chloroplastic/amyloplastic (EC 2.4.1.21) |
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| Subcellular location | - Plastid, chloroplast
- Plastid, amyloplast
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Structure and mechanism
| Fold type | GT-B |
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| Catalytic mechanism | Retaining |
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| Cation dependence | No |
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| Oligomeric state | not curated |
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| PDB structures | not curated |
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Donor and acceptor specificity
| Sugar nucleotide donor | ADP-alpha-D-glucose |
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| Donor CCD code(s) | ADQ |
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| Acceptor substrate(s) | [(1->4)-alpha-D-glucosyl](n) |
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| Acceptor CCD / GlycoCT | not curated |
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Protein sequences
Full protein sequence
1875 aa
MEMALRPQSLLCPRSRLKVVIRPASSASGGGLAQYFLMTRRYTGSRIVRCMVSSSDCPNRKAKRTISLHTEVASSRGYAPRIAAESSIQEREHINSDEETFDTYNRLLRNESTEWKKLDTTEVDLSQDVSSSSMRKVDATDEAKLDILEDDLPRNLLNGVTMGEVDMLDEAGAEDDVFEVDLSALHNSTVGKMDAVNEVGTENDLFEVDLSALHSAAVGKVDVVDGAKAKEDLFEMDSLALHSVTMGKVDAINAAGAEGDKFEVDLSALASNNSMIEAVNVMDEAKAIEDTLEVDLSGNATSSSTYGEVKFEVDSLGNTSSTVMYGPADGAYEPRSDEVTFKVDSSENASNNVMYGRADVVDESWADEGIFEVDFFTNASSGAEYGKVDVVDEAKTDDFTFEIDSLEKDSNNKMHGKAHMVDEAWDDEAIFEVDLFGNASSIPIYGEVNVLDEARADDGKFEVDLLGNTSSNSTHEEVDVVDEAQTGEATFEVDLLGNALSSAIYKEVPVMGGAQDDEVDVDFSINASITETEKEADAVDEARVEDETFDMDLVGKQISIDSMNDDVVEEGTKHHRYPMLSSAFIEVKTIHETPVSLKPELMSVVMDQEQDKPISSVYQQEGSIFNLHAENQSTVDFHEREQMAITFDKQKESVAKLSKEDQQTAGLPEQNMSFDGVHRKSQSIIGLPFQHQSIVSSPEKYRSIVGFHGQNQSIISSHKQDKSIVGVPKKIQSIVGSTKHDDSIVGFRKQDRSIVSVPEQKQSIVGFHKQDLSIVAVSEQNLSIVAIPRESQSKQISIVRRHDPLHLKEVETKDRDGISKKSGGDDDLPHMLFEEELSQVEDVARAIAYKKQHEVDVISLTPDIQESPQDNIDPQELRRMLQELADQNCSMGNKLFVFPEAVKANSTIDVYLNRNLSALANEPDVHIKGAFNSWRWRPFTERLHKSELSGDWWSCKLHIPKEAYRLDFVFFNGRLVYDNNDSNDFVLQVESTMDEDSFEEFLVEEKKRELERVATEEAERRRHAEEQQRMGEQRAAEQAAREQAKKEIELKKNKLQNLLSSARTHVDNLWHIEPSTYRQGDTVRLYYNRNSRPLMHSTEIWMHGGCNSWTDGLSIVERLVECDDENGDWWYANVHIPEKAFVLDWVFADGPPGNARNYDNNGRQDFHAILPNAMTNEEYWVEEENCIYTRLLHEIREREEAIKIKVEKRAKMKSEMKEKTMRMFLLSQKHIVYTEPLEIRAGTTVDVLYNPSNTVLNGKPEVWFRWSFNRWMHPSGVLPPKKMVKTEDGCHLKATVSVPSDAYMMDFVFSESEEGGIYDNRNGTDYHIPVSGSNAKEPPIHIVHIAVEMAPIAKVGGLADVVTSLSRAIQELGHHVEVILPKYNFMNQSNVKNLHVRQSFSLGGTEIKVWFGLVEDLSVYFLEPQNGMFGGGWVYGGNDAGRFGLFCQSALEFLLQSGSSPHIIHCHDWSSAPVAWLYKEHYAESRLATARIIFTIHNLEFGAHFIGKAMTYCDKATTVSHTYSKEVAGHGAIAPHRGKFYGILNGIDPDIWDPYTDNFIPMHYTSENVVEGKNAAKRALQQRFGLQQTDVPIVGIITRLTAQKGIHLIKHALHRTLERNGQVVLLGSAPDPRIQSDFCRLADSLHGENHGRVRLCLTYDEPLSHLIYAGSDFILVPSIFEPCGLTQLVAMRYGSIPIVRKTGGLYDTVFDVDHDKDRARVLGLEPNGFSFDGADCNGVDYALNRQQSLLGLKPAVGSTPSAKGSWSKTGPGTGLPWTTLNCTIQLTNFEAPIQRWQEKASIGRYYKLNETWLKVKIFYLSCRYKLTQTWFKVKIFYLSYTYICRIKTLYSMHKQLWEYVSAMFPILSFNYEYLI
Catalytic domain sequence
123 aa
QQTDVPIVGIITRLTAQKGIHLIKHALHRTLERNGQVVLLGSAPDPRIQSDFCRLADSLHGENHGRVRLCLTYDEPLSHLIYAGSDFILVPSIFEPCGLTQLVAMRYGSIPIVRKTGGLYDTV
